a-be aaaa aaab aaae aaam aaap aaar aaav aaba aabb aabm aabp aaea aaem aaep aaev aama aamb aame aamp aamr aapa aapm aara aare aarm aarp aaru aaup aava abaa abab abae abam abap abar abau abb- abba abbb abbe abbr abee aber abma abmb abpa abpm abpp abpr abra abua abue abum abva abvp aeap aeer aer- aera aeva amaa amae amam amap amar amb- amba ambe ambr ambu amee amer ameu amm- amma amme ammu ampa ampe ampm ampv amra amua amum amur apam apap apar apba apbr apea apem apep aper apeu apev apma appa appr appu apra apre apua apum apup arab arae aram arap arar arau arba arbe area aree arem arep areu arev arma arme armm armu arpa arpe arpu arr- arra arre arrr arru arua arub arue arum arup arva arve auaa aube auer auma aur- aura aure auve avab avar avea aver aveu avma avpu avra avre avur avva baaa baam baar baba babb babe babm babr babu baer bama bamb bame bamm bamp bamu bapa bape bapp bapu bar- bara barb bare barm barr baru bau- baum baur bava bave bavu bbau bbbb bbeb bbpr beam beap bear beau beav beba bebb bebe beeb beem beep beer bema beme bemu bera bere berm berr beru beur bmaa bmep bpea brab brae bram brau brav brea breb bree brem brep brer brev brrm brrr brue brum brup bruv brvm buar buba bubb bube bubu buea buem buer bueu bum- buma bumb bump bupa bur- bura burb bure burm burp burr buru buve eaba eama eame eapp eara earb eare earp eave eavp ebam ebba ebbr eber ebru ebur eeea eeee eera eeva emae emam emar emba embe embr emer emeu emma emme emmu empa empe emra emre emup epaa epam epbm epee eper eppa eppp epra eprb eprp epub eram erap erau erba erbb erbe ereb erem erer erev erma erme erpa erpe erra erre erua erub erum erur eruv erve euba euer eur- eura eure evae evap evar evea ever evra evre maaa maam maap maar maba mabe mabu maee maem maer maev mama mame mamp mamu mapa mape mapp mapr mapu mar- mara mare marm marr maru marv maua maum maup maur mava mbam mbav mbba meap mear meav mebe meem meep meer mema meme memr memu mepe mer- mera merb mere merm merp meru merv meum meup meva meve mmaa mmab mmap mmar mmea mmmm mmpa mmpr mmpu mmpv mmrp mpaa mppe mppp mprp mpva mrap mrbb mrbm mreb mree mrpa muar mube muee muma mume mumm mump mumu mura mure murr muru muva muve mvee mvpa paap paar paba pabu paea paep paer pam- pama pamb pame pamm pamp papa papb pape papp papr par- para pare parm parp parr paru parv paua paum paup paur pava pave pbar pbmr pbpa peab peap pear peau peba peep peer peev pepa pepe per- pera pere perm perp perr peru perv peur pmaa pmbr pmma pmmp pmmu pmpm pmve ppap ppar ppbv pper ppmv pppa pppp pprm ppru ppur prae pram prar prau pre- preb pree prem prep preu prev prmv prrm prue prum pruu pu-e puar pube pubu puer pueu puma pume pump pupa pupe pupu pur- pura purb pure purp purr puru pvem pvpa raab raam raba rabb rabe rabu raep raer rama ramb rame ramm ramp ramu rapa rape rapm rapp rara rarb rare raua raub raue raum raup rava rave rbbb rbbr rea- reae ream reap rear reau reba rebb rebe rebu reeb reem reep reev rema reme remp repe repp repr repu rera rere reru reue reup reuu reva reve revp rmmv rmrp rmvb rrmp rrrr rrum ruba rubb rube rubp rubu ruer ruma rumb rume rumm rump rupa rupe rupp rura rure rurp ruru ruve ruvu rver u-rp uaru uaua ubar ubba ubbe uber ubra ueba umaa umap umar umav umb- umba umbe umer umma umpe umra upar upbe upma upme uppa uppe uppp uppu upra upup urap urau urba urbe ure- urea urma urra urre urum urup urur urva urve uuuu uv-a uv-b uvaa uvae uvea uver uvvu v-me vaar vama vame vamp vapa vapb vape vara vare varm varp varr varu vava vear veau veba veep veer vema vemb vepe vepr ver- vera verb vere verm veur veve vram vrap vrav vrba vrpm vume vurb vurp vver vvpb vvvv